The Art of Geology

Alaska Arches National Park Arizona Bonilla caldera California Carlton E centimetres Coffield Colorado Plateau continent continental Cordillera del Paine courtesy of U.S. courtesy of Utah courtesy U.S. Geological crater crust D. W. Caldwell Dana Q deformed deposits Diamonds Dockstader Photo dolomite erosion fault folds formed geologic time scale Geological Society Geological Survey Photo geologists Giovanni Guglielmo Glacial glaciers granite Hutchinson Photo Iguazu Falls island Karst kilometres limestone Lost River Range Lyn Topinka magma Manuel G Mesozoic metres million years ago million years old Mount St Mountains North America northern ocean ooids Pacific Ring Paleozoic Photo by D. W. Photo by David Photo by George Photo by Grant Photo by Kenneth Photo by Manuel Photo by Roderick Photos by Dana plates Precambrian Ring of Fire salt sandstone sediment sedimentary rocks Shanmugam Society of America southern surface tectonics Torfajokull U.S. Geological Survey U.S.A. Photo uplift valley volcanic eruptions volcanoes Wyoming